EP 2535819 A4 20140205 - STORAGE DEVICE AND DATA MANAGEMENT METHOD
Title (en)
STORAGE DEVICE AND DATA MANAGEMENT METHOD
Title (de)
SPEICHERVORRICHTUNG UND DATENVERWALTUNGSVERFAHREN
Title (fr)
DISPOSITIF DE STOCKAGE ET PROCÉDÉ DE GESTION DE DONNÉES
Publication
Application
Priority
JP 2010003335 W 20100518
Abstract (en)
[origin: US2011289287A1] Proposes the realization of the performance stability operation of virtual volumes and the stabilized access performance for the virtual volumes in the storage apparatus. In the storage apparatus which configures a pool of multiple types of storage tiers of different performances, provides virtual volumes to the host computer and, in accordance with a write request from an application to a virtual volume, assigns pages to the relevant virtual volume from the pool, a policy associating an application with the virtual volume with which the relevant application reads/writes data, a storage tier to assign pages to the relevant virtual volume, and the priority of the relevant storage tier is managed and, in accordance with a write request from the application, complying with the corresponding policy, among the storage tiers associated with the corresponding virtual volume, pages are assigned from the storage tier of the higher priority to the relevant virtual volume.
IPC 8 full level
G06F 12/00 (2006.01); G06F 3/06 (2006.01)
CPC (source: EP US)
G06F 3/0605 (2013.01 - EP US); G06F 3/0649 (2013.01 - EP US); G06F 3/0665 (2013.01 - EP US); G06F 3/0685 (2013.01 - EP US)
Citation (search report)
- [I] US 2010077168 A1 20100325 - ARAKAWA HIROSHI [US]
- See references of WO 2011145138A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
US 2011289287 A1 20111124; US 9052823 B2 20150609; CN 102754084 A 20121024; CN 102754084 B 20151007; EP 2535819 A1 20121219; EP 2535819 A4 20140205; JP 5323989 B2 20131023; JP WO2011145138 A1 20130722; WO 2011145138 A1 20111124
DOCDB simple family (application)
US 98865310 A 20100518; CN 201080063246 A 20100518; EP 10851703 A 20100518; JP 2010003335 W 20100518; JP 2012515639 A 20100518